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Type: Conference paper
Title: Terahertz reflectarray for bidirectional beam splitting
Author: Niu, T.
Withayachumnankul, W.
Abbott, D.
Fumeaux, C.
Citation: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, 2014, pp.1-2
Publisher: IEEE
Issue Date: 2014
Series/Report no.: International Conference on Infrared Millimeter and Terahertz Waves
ISBN: 9781479938773
ISSN: 2162-2027
Conference Name: 39th International Conference On Infrared, Millimeter, And Terahertz Waves (IRMMW-THz) (14 Sep 2014 - 19 Sep 2014 : Tucson, AZ)
Statement of
Tiaoming Niu, Withawat Withayachumnankul, Derek Abbott, and Christophe Fumeaux
Abstract: A beam splitter based on the concept of a reflectarray is designed for polarization-dependent bidirectional deflection at 1 THz. A unit cell is composed of two sets of orthogonally oriented dipole resonators arranged in an interlaced triangular lattice. A subarray is constructed from multiple unit cells to create two independent progressive phase distributions to respond to the TE and TM polarized incident waves. Numerical results for the near- and far-field distributions of the reflectarray demonstrate that the proposed structure can separate the polarization components of an incident beam by deflecting them into two different directions, i.e. -48:6 ◦ and 30 °, in plane.
Rights: Copyright © 2014, IEEE
DOI: 10.1109/IRMMW-THz.2014.6956410
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